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Whitepunk [10]
3 years ago
10

I need help!

Mathematics
1 answer:
antoniya [11.8K]3 years ago
7 0
We will want to use the Pythagorean theorem
a^2 + b^2 = c^2
We can plug in the values we know
7^2 + 9^2 = c^2
49 + 81 = c^2
130 = c^2
We will then square both sides to get c by itself
c = 11.4 meters
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In form ax+by+c=0
pav-90 [236]
I don't get you but if you transform the equation to it's standard form, it will be
3x+4y=4
First, Multiply each term by 4:
y(4)=-3x/4(4)+1(4)
4y=-12x/4+4
4y=-3x+4
Now add 3x to both sides of the equation:
4y+3x=-3x+3x+4
3x+4y=0+4
3x+4y=4
5 0
3 years ago
Plz help me I need your help badly plz help me with this question I need your help plz help me I’m begging you plz help me plz p
7nadin3 [17]
It is 255 cm^2

This is a very basic area problem. You should try refreshing on some of your multiplication and addition skills. Try reading patterns, maybe. Also learning geometric proofs is VITAL.
3 0
3 years ago
Read 2 more answers
Round 496.042 to the nearest hundredth. Enter your answer in the response box.<br> HElppp
cluponka [151]
124.59 I think not sure
4 0
3 years ago
Is my answer A or d??
alexira [117]

Answer:

d

Step-by-step explanation:

The answer must have a negative slope because the graph is decreasing.

The y-intercept is 10. The equation must have +10 at the end.

y = -3x + 10

8 0
3 years ago
Make X the subject :))
Rom4ik [11]

Answer:

x = \frac{3 + 8y}{y - 1}

Step-by-step explanation:

y = \frac{x + 3 }{x - 8}

Cross multiply,

y(x - 8) = x +3

yx - 8y = x + 3

yx - 8y -x = 3

yx - x     = 3 + 8y

  (y - 1)x = 3 +8y

           x = \frac{3 + 8y}{y - 1}

3 0
3 years ago
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